第11题: [单项选择]We write to each other ______ , even when there's not much to say. A. now and then B. by and by C. step by step D. more or less 参考答案:A 答案解析:now and then或now and again意为“有时”。同义词有at times,sometimes等。
第22题:[单选题]3 --Could you please provide us _____ some information about the accident? --Of course. Anyway it is a sad story. A.with B.of C.from D.to 参考答案:A